CN112681805A - High stability singly props device - Google Patents
High stability singly props device Download PDFInfo
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- CN112681805A CN112681805A CN202110123497.6A CN202110123497A CN112681805A CN 112681805 A CN112681805 A CN 112681805A CN 202110123497 A CN202110123497 A CN 202110123497A CN 112681805 A CN112681805 A CN 112681805A
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Abstract
The invention discloses a high-stability single-support device which comprises a base, a support sleeve and a support rod, wherein the support sleeve is vertically fixed on the base, the support rod and the support sleeve are coaxially arranged, the lower end of the support rod is positioned in the support sleeve, a guide sliding block is fixed at the lower end of the support rod and is in sliding connection with the support sleeve, a fine-adjustment locking mechanism is arranged at the upper end of the support sleeve, an auxiliary support mechanism is arranged at the lower part of the support sleeve, and the auxiliary support mechanism has a folding and accommodating state and an unfolding and supporting state. The device is simple to operate, the supporting rod is fast to draw out from the supporting sleeve, the adjustment is convenient, the integrated auxiliary supporting mechanism is arranged on the supporting sleeve, the device can be supported together with the base to be integrated, the stability of the device is improved, the auxiliary supporting mechanism is in a folding and accommodating state during transportation, the overall occupied space is reduced, and the transportation and the storage are convenient.
Description
Technical Field
The invention relates to the field of building supporting equipment, in particular to a high-stability single-support device.
Background
The prefabricated building refers to a building which is formed by assembling components prefabricated by a factory on a construction site. The prefabricated building has the advantages of convenient construction, fast engineering progress and the like. In recent years, prefabricated construction methods are receiving more and more attention and applications. When the prefabricated part is assembled, the prefabricated part is required to be fixed, and the perpendicularity of the prefabricated part is required to be adjusted, so that the inclined support is often used for temporary fixing and correction, the stability of the prefabricated part is ensured, the perpendicularity of the prefabricated part is adjusted, and the subsequent construction links are conveniently and smoothly carried out.
The existing single support applied to the field of buildings is various, but most of the existing single supports have some disadvantages
1. The operation is complex, the single support is an adjustable support rod which is mostly in a threaded connection mode through an inner rod and a sleeve, specific adjustment is usually needed on site, the length of the support rod can be adjusted only by rotating the inner rod or the sleeve in an adjusting mode, the support rod is relatively troublesome, the adjusting speed is slow, the adjustment is inconvenient, and certain adverse effect is brought to practical use;
2. the adjustable support is provided with the fixed base plate, but the base plate is poor in stability, and the adjustable support is likely to shake or topple over due to instability in the process of adjusting the support, so that the lower pipe sleeve needs to be held by one hand in the using process, and then the corresponding adjustable device is adjusted to realize the ascending of the upper insertion pipe to complete the support, but the mounting method is high in difficulty and the operation efficiency is low;
3. the transportation is inconvenient, and for the stability when improving the support installation, the accessible auxiliary stay device comes to singly support and then auxiliary stay to in order to adjust the height that singly supports, nevertheless because auxiliary stay device is not integrative with singly supporting, and auxiliary stay device's volume is great, therefore singly supports and auxiliary stay device not convenient for transport together, and is not convenient for install the bearing diagonal, has brought certain adverse effect for in-service use.
Disclosure of Invention
The invention aims to solve the problems and designs a high-stability single-support device.
The technical scheme of the invention is that the high-stability single-support device comprises a base, a support sleeve and a support rod, wherein the support sleeve is vertically fixed on the base, the support rod and the support sleeve are coaxially arranged, the lower end of the support rod is positioned in the support sleeve, a guide sliding block is fixed at the lower end of the support rod, the guide sliding block is connected with the support sleeve in a sliding manner, and the upper end of the support sleeve is provided with a fine-adjustment locking mechanism;
the fine adjustment locking mechanism comprises a fine adjustment sleeve, a first rotating sleeve, a second rotating sleeve, an adjusting ring disc, a first limiting ring and a second limiting ring, a first external thread section is arranged at the upper end of a supporting sleeve, the fine adjustment sleeve is in threaded connection with the first external thread section, the first rotating sleeve, the second rotating sleeve and the adjusting ring disc are all sleeved on the fine adjustment sleeve in a sliding mode, the adjusting ring disc is fixed at the upper end of the first rotating sleeve, the first limiting ring is fixed on the fine adjustment sleeve and located at the lower end of the first rotating sleeve, a guide groove with an oval track is arranged on the upper end face of the adjusting ring disc, two L-shaped connecting pieces symmetrically arranged along the axis of the guide groove are installed in the guide groove in a sliding mode, two half nut pieces corresponding to the L-shaped connecting pieces are arranged on the inner side of the fine adjustment sleeve, hinge joints are arranged on the upper portions and the lower portions of the half nut pieces, one end of each L-, the support rod is provided with a locking thread section matched with the half nut piece; a sealing plate is fixed at the top end of the fine adjustment sleeve, connecting plates are fixed on two sides of the lower end of the sealing plate, horizontally arranged positioning rods are slidably inserted into the connecting plates, first limiting blocks are fixed on the positioning rods, first pressure springs are sleeved on the positioning rods and positioned between the first limiting blocks and the connecting plates, the positioning rods penetrate through the fine adjustment sleeve and are provided with waist-shaped holes, hinge pins penetrating through the waist-shaped holes are installed at hinge joints of the upper portions of the half nut pieces, and the first pressure springs provide thrust for abutting of the upper portions of the half nut pieces and the locking thread sections; two locking holes are radially formed in the fine adjustment sleeve and positioned on the inner side of the first rotating sleeve, the two locking holes are arranged on the same horizontal plane at intervals of 90 degrees, a first fixing plate is fixed at the edge of the lower end of the adjusting ring disc, a first pull ring pin is inserted in the first fixing plate in a sliding manner, a second limiting block is fixed on the first pull ring pin, a second pressure spring is sleeved on the first pull ring pin and positioned between the second limiting block and the first fixing plate, a jack corresponding to the locking hole is formed in the first rotating sleeve, the first pull ring pin can sequentially penetrate through the jack and the locking hole to limit the first rotating sleeve to rotate relative to the fine adjustment sleeve, two second limiting rings are fixedly sleeved on the lower portion of the fine adjustment sleeve, the second rotating sleeve is sleeved on the fine adjustment sleeve in a sliding manner and positioned between the two second limiting rings, a nut seat is fixed on the second rotating sleeve, a locking handle is connected to the nut seat in a threaded manner, and can, a second fixing plate is fixed at the lower end of the nut seat, a second pull ring pin is movably inserted on the second fixing plate, and a long and narrow opening for the second pull ring pin to insert and move up and down is formed in the upper part of the supporting sleeve;
the lower part of the supporting sleeve is provided with an auxiliary supporting mechanism which comprises an adjusting sleeve, an ear plate, a third limiting ring, an annular seat and a fourth limiting ring which are sequentially arranged on the supporting sleeve from top to bottom, the supporting sleeve is provided with a second external thread section, the adjusting sleeve is in threaded connection with the second external thread section, the ear plate, the third limiting ring and the fourth limiting ring are all fixedly arranged on the supporting sleeve, the annular seat is sleeved on the supporting sleeve in a sliding mode, an adjusting handle is fixedly arranged on the upper part of the adjusting sleeve, the lower part of the adjusting sleeve is fixedly provided with an annular groove, a sliding ring is clamped in the annular groove in a sliding mode, a limiting disc which is coaxially arranged with the supporting sleeve is fixedly arranged on the outer side of the sliding ring, at least three bayonets are arranged on the limiting disc, the bayonets are circumferentially distributed along the axis of the limiting disc, the number of the ear plates is the same as that of, the other end of the third support arm is hinged with the annular seat, and a positioning block matched with the third limiting ring is fixed on the first support arm; the auxiliary supporting mechanism has a folding and accommodating state and an unfolding and supporting state, when in the unfolding and supporting state, the positioning block is abutted against the third limiting ring, the annular seat is abutted against the fourth limiting ring, the first support arm is vertical to the supporting sleeve, and the bottom of the second support arm is flush with the bottom of the base; when the foldable storage device is in a folded storage state, the connecting ends of the first support arm and the second support arm are clamped in the clamping openings.
Preferably, when the L-shaped connecting piece is arranged at the vertex of the long axis of the guide groove, the lower part of the half nut piece is separated from the supporting rod; when the L-shaped connecting piece is arranged at the vertex of the short shaft of the guide groove, the lower part of the half nut piece is connected with the supporting rod.
Preferably, fine setting locking mechanical system still includes manual adjustment mechanism, and manual adjustment mechanism is including fixing two mount pads on the fine setting sleeve, and it has the regulating part all to articulate through the articulated shaft on the mount pad, and regulating part one end is held the end other end for extending to the regulation end between first stopper and fine setting sleeve, and it has the expansion gap that supplies the locating lever to pass to open on the regulating part, and the regulating part passes the expansion gap and moves about in the expansion gap.
The invention has the beneficial effects that:
1. the operation is simple, the supporting rod and the supporting sleeve are connected in a mode of two half nut pieces, when the half nut pieces incline, the supporting rod can be directly pulled out of the supporting sleeve, the half nut pieces do not need to rotate circle by circle, the adjusting speed is high, the inclined half nut pieces can automatically lock the supporting rod with the descending trend, the supporting rod does not need to be held by hands continuously for adjustment, and the adjustment is convenient;
2. the device is high in stability, and the device can be supported integrally together with the base by arranging the integrated auxiliary supporting mechanism on the supporting sleeve, so that the stability of the device is improved;
3. the transportation is convenient, and supplementary supporting mechanism is in folding state of accomodating when the transportation, and the link of first support arm and second support arm clamps in the bayonet socket, and the bracing piece is most to be contracted in supporting sleeve to reduce the whole length that singly supports, it is little to reduce whole occupation space, is convenient for transport and deposit.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is an enlarged view of a portion of FIG. 1 at B;
FIG. 5 is a view showing a folded and stored state of the auxiliary support mechanism;
FIG. 6 is a first schematic diagram of a portion of a fine locking mechanism;
FIG. 7 is a second schematic view of a portion of the fine locking mechanism; (ii) a
In the figure, 1, a base; 2. a support sleeve; 3. a support bar; 4. a guide slider; 5. finely adjusting the sleeve; 6. a first rotating sleeve; 7. a second rotating sleeve; 8. an adjusting ring disc; 9. a first limit ring; 10. a second stop collar; 11. a first external thread section; 12. a guide groove; 13. an L-shaped connector; 14. a heminut slice; 15. a locking thread segment; 16. closing the plate; 17. a connecting plate; 18. positioning a rod; 19. a first stopper; 20. a first pressure spring; 21. a waist-shaped hole; 22. a locking hole; 23. a first fixing plate; 24. a first tab pin; 25. a second limiting block; 26. a second pressure spring; 27. a jack; 28. a nut seat; 29. locking the handle; 30. a second fixing plate; 31. a second tab pin; 32. a narrow opening; 33. an adjustment sleeve; 34. an ear plate; 35. a third limit ring; 36. an annular seat; 37. a fourth limit ring; 38. a second outer thread section; 39. an adjusting handle; 40. an annular groove; 41. a slip ring; 42. a limiting disc; 43. a bayonet; 44. a first support arm; 45. a second support arm; 46. a third support arm; 47. positioning blocks; 48. a mounting seat; 49. an adjustment member; 50. a holding end; 51. an adjustment end; 52. a movable opening.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings, as shown in FIGS. 1-7: a high-stability single-support device comprises a base 1, a support sleeve 2 and a support rod 3, wherein the support sleeve 2 is vertically fixed on the base 1, the support rod 3 and the support sleeve 2 are coaxially arranged, the lower end of the support rod 3 is positioned in the support sleeve 2, a guide sliding block 4 is fixed at the lower end of the support rod 3, the guide sliding block 4 is connected with the support sleeve 2 in a sliding manner, and a fine-adjustment locking mechanism is arranged at the upper end of the support sleeve 2;
the fine adjustment locking mechanism comprises a fine adjustment sleeve 5, a first rotating sleeve 6, a second rotating sleeve 7, an adjusting ring disc 8, a first limiting ring 9 and a second limiting ring 10, a first external thread section 11 is arranged at the upper end of a supporting sleeve 2, the fine adjustment sleeve 5 is in threaded connection with the first external thread section 11, the first rotating sleeve 6, the second rotating sleeve 7 and the adjusting ring disc 8 are all sleeved on the fine adjustment sleeve 5 in a sliding mode, the adjusting ring disc 8 is fixed at the upper end of the first rotating sleeve 6, the first limiting ring 9 is fixed on the fine adjustment sleeve 5 and is positioned at the lower end of the first rotating sleeve 6, a guide groove 12 with an oval track is arranged on the upper end face of the adjusting ring disc 8, two L-shaped connecting pieces 13 symmetrically arranged along the axis of the guide groove 12 are installed in a sliding mode, two half nut pieces 14 corresponding to the L-shaped connecting pieces 13 are arranged on the inner side of the fine adjustment sleeve 5, and hinge points are arranged at the, one end of the L-shaped connecting piece 13 penetrates through the fine adjustment sleeve 5 and is hinged with a hinged point at the lower part of the half nut piece 14 corresponding to the fine adjustment sleeve, and the supporting rod 3 is provided with a locking thread section 15 matched with the half nut piece 14; a sealing plate 16 is fixed at the top end of the fine adjustment sleeve 5, the sealing plate 16 can seal the top end of the fine adjustment sleeve 5 and can be penetrated by the support rod 3, connecting plates 17 are fixed at two sides of the lower end of the sealing plate 16, positioning rods 18 horizontally arranged are all slidably inserted on the connecting plates 17, a first limiting block 19 is fixed on the positioning rods 18, a first pressure spring 20 is sleeved on the positioning rods 18 and positioned between the first limiting block 19 and the connecting plates 17, the positioning rods 18 penetrate through the fine adjustment sleeve 5 and are provided with waist-shaped holes 21, and hinge joints at the upper parts of the half nut pieces 14 are provided with pin shafts penetrating through the; when the lower part of the half nut piece 14 is close to or far away from the support rod 3, the half nut piece 14 has small lifting displacement, and the pin shaft can lift in the waist-shaped hole 21 by arranging the waist-shaped hole 21, so that the half nut piece 14 cannot be locked; the first pressure spring 20 provides thrust for the upper part of the half nut piece 14 to abut against the locking thread section 15; two locking holes 22 are radially formed in the fine adjustment sleeve 5 and located on the inner side of the first rotating sleeve 6, the two locking holes 22 are arranged on the same horizontal plane at intervals of 90 degrees, a first fixing plate 23 is fixed at the edge of the lower end of the adjusting ring disc 8, a first pull ring pin 24 is slidably inserted into the first fixing plate 23, a second limiting block 25 is fixed on the first pull ring pin 24, a second pressure spring 26 is sleeved on the first pull ring pin 24 and located between the second limiting block 25 and the first fixing plate 23, a jack 27 corresponding to the locking hole 22 is arranged on the first rotating sleeve 6, the first pull ring pin 24 can sequentially penetrate through the jack 27 and the locking hole 22 to limit the first rotating sleeve 6 to rotate relative to the fine adjustment sleeve 5, two second limiting rings 10 are fixedly sleeved on the lower portion of the fine adjustment sleeve 5, a second rotating sleeve 7 is slidably sleeved on the fine adjustment sleeve 5 and located between the two second limiting rings 10, a nut seat 28 is fixed on the second rotating sleeve 7, a locking handle 29 is connected to the nut seat 28 in a threaded manner, the locking handle 29 can pass through the second rotating sleeve 7 and tightly press the fine adjustment sleeve 5, a second fixing plate 30 is fixed at the lower end of the nut seat 28, a second pull ring pin 31 is movably inserted on the second fixing plate 30, and a long and narrow opening 32 for the second pull ring pin 31 to insert and move up and down is formed in the upper part of the support sleeve 2;
the lower part of the supporting sleeve 2 is provided with an auxiliary supporting mechanism, which comprises an adjusting sleeve 33, an ear plate 34, a third limiting ring 35, an annular seat 36 and a fourth limiting ring 37 which are sequentially arranged on the supporting sleeve 2 from top to bottom, the supporting sleeve 2 is provided with a second external thread section 38, the adjusting sleeve 33 is in threaded connection with the second external thread section 38, the ear plate 34, the third limiting ring 35 and the fourth limiting ring 37 are all fixedly arranged on the supporting sleeve 2, the annular seat 36 is slidably sleeved on the supporting sleeve 2, the upper part of the adjusting sleeve 33 is fixedly provided with an adjusting handle 39, the lower part of the adjusting sleeve 33 is fixedly provided with an annular groove 40, a sliding ring 41 is slidably clamped in the annular groove 40, the outer side of the sliding ring 41 is fixedly provided with a limiting disc 42 which is coaxially arranged with the supporting sleeve 2, the limiting disc 42 is provided with at least three bayonets 43, in the embodiment, the bayon, the number of the lug plates 34 is the same as that of the bayonets 43, each lug plate 34 is hinged with a first support arm 44, the other end of each first support arm 44 is hinged with a second support arm 45, the middle part of each second support arm 45 is hinged with a third support arm 46, the other end of each third support arm 46 is hinged with the annular seat 36, and a positioning block 47 matched with the third limiting ring 35 is fixed on each first support arm 44; the auxiliary supporting mechanism has a folding and accommodating state and an unfolding and supporting state, when in the unfolding and supporting state, the positioning block 47 is abutted against the third limiting ring 35, the annular seat 36 is abutted against the fourth limiting ring 37, the first support arm 44 is vertical to the supporting sleeve 2, and the bottom of the second support arm 45 is flush with the bottom of the base 1; in the folded and stored state, the connecting ends of the first arm 44 and the second arm 45 are clamped in the bayonet 43.
Preferably, when the L-shaped connector 13 is at the top of the long axis of the guide groove 12, the lower part of the half nut piece 14 is separated from the support rod 3; when the L-shaped connecting piece 13 is arranged at the vertex of the short axis of the guide groove 12, the lower part of the half nut piece 14 is connected with the supporting rod 3.
Preferably, the fine adjustment locking mechanism further comprises a manual adjusting mechanism, the manual adjusting mechanism comprises two mounting seats 48 fixed on the fine adjustment sleeve 5, the mounting seats 48 are hinged to an adjusting part 49 through hinge shafts, one end of the adjusting part 49 is a holding end 50, the other end of the adjusting part is an adjusting end 51 extending between the first limiting block 19 and the fine adjustment sleeve 5, a movable opening 52 for the positioning rod 18 to pass through is formed in the adjusting part 49, and the adjusting part 49 passes through the movable opening 52 and moves in the movable opening 52
The working principle of the embodiment is as follows: during transportation, the auxiliary supporting mechanism is in a folding and accommodating state, and the connecting ends of the first supporting arm 44 and the second supporting arm 45 are clamped in the bayonet 43; most of the support rod 3 is contracted in the support sleeve 2, the L-shaped connecting piece 13 is arranged at the top point of the short shaft of the guide groove 12, the half nut piece 14 is in threaded connection with the locking thread section 15 of the support rod 3, the first tension spring pin penetrates through the jack 27 and the locking hole 22, and the first rotating sleeve 6 is limited to rotate relative to the fine adjustment sleeve 5, so that the half nut piece 14 is stable in position and is in threaded connection with the locking thread section 15 of the support rod 3 stably, the overall length of a single support is reduced, the overall occupied space is reduced, and the transportation and the storage are facilitated;
when the adjustable support is needed, the adjusting handle 39 is rotated to drive the adjusting sleeve 33 to rotate, the adjusting sleeve 33 rotates on the thread of the second external thread section 38 and gradually moves upwards, the sliding ring 41 slides in the annular groove 40 and rises and falls along with the annular groove, but does not rotate along with the annular groove, when the limiting disc 42 moves to the position above the connecting end of the first support arm 44 and the second support arm 45, the first support arm 44 and the second support arm 45 are separated from the bayonet 43 and automatically expand to the expansion supporting state under the action of self gravity, the annular seat 36 is abutted to the fourth limiting ring 37, and the second support arm 45 falls to be flush with the bottom of the base 1; then, the adjusting sleeve 33 is rotated reversely through the adjusting handle 39, so that the adjusting sleeve 33 rotates on the thread of the second external thread section 38 and gradually moves downwards until the limiting disc 42 is abutted to the first support arm 44 to limit the movement of the first support arm 44, so that the auxiliary support mechanism is stably kept in an unfolded support state, and the second support arm 45 and the base 1 jointly support the whole device to keep the device stable;
then according to the construction requirement, the extending height of the support rod 3 is flexibly adjusted, firstly, the first pull ring pin 24 is manually pulled out of the locking hole 22, the first pull ring pin 24 drives the second limiting block 25 to move towards the first fixing plate 23, the second pressure spring 26 is compressed, the first rotating sleeve 6 can rotate relative to the fine adjusting sleeve 5 at the moment, then the first rotating sleeve 6 rotates for 90 degrees, the L-shaped connecting piece 13 moves to the top point of the long shaft of the guide groove 12, the L-shaped connecting piece 13 drives the lower part of the half nut piece 14 to be far away from the support rod 3, the first pull ring pin 24 is automatically clamped into the other locking hole 22 under the elastic restoring force action of the second pressure spring 26, the half nut piece 14 is not in threaded connection with the locking thread section 15 any more, the support rod 3 can be rapidly pulled out at the moment, and the length of the single support is; when the supporting rod 3 is pulled upwards, the half nut piece 14 is slightly stressed to swing, the supporting rod 3 cannot be limited to ascend, when the supporting rod 3 is loosened, the external thread of the supporting rod 3 can be contacted with the upper part of the half nut piece 14, the inclined half nut piece 14 automatically blocks the supporting rod 3 under the downward force of the supporting rod 3, the supporting rod 3 is limited to descend, and therefore the supporting rod 3 does not need to be held all the time to be adjusted, and the supporting rod 3 can be adjusted conveniently;
if the length of the support rod 3 is too long, and the support rod 3 needs to be partially retracted into the support sleeve 2, the manual adjusting mechanism can be operated, specifically, the support rod 3 is held by one hand, the holding ends 50 of the two adjusting pieces 49 are held by the other hand, so that the two holding ends 50 are close to each other, the two adjusting ends 51 naturally move away from each other, the adjusting ends 51 of the adjusting pieces 49 push the first limiting block 19 to move towards the connecting plate 17, the positioning rod 18 drives the upper part of the hemispiroid piece 14 to move away from the support rod 3, the hemispiroid piece 14 is not contacted with the support rod 3 any more, at the moment, the support rod 3 can be retracted into the support sleeve 2, and after the adjusting pieces 49 are loosened, the upper part of the hemispiroid piece 14 is contacted with the support rod 3 again under;
after the height of the supporting rod 3 is roughly adjusted, fine adjustment is performed to enable the single support to bear the force on the support, specifically, the fine adjustment sleeve 5 is driven to rotate through the first pull ring pin 24, so that the fine adjustment sleeve 5 rotates and rises on the first thread section, and the support is supported; after the fine adjustment is finished, the second rotating sleeve 7 is driven to rotate to the position where the second pull ring pin 31 corresponds to the narrow opening 32 through the locking handle 29 or the second pull ring pin 31, then the second pull ring pin 31 is inserted into the narrow opening 32, and when the locking handle 29 is manually screwed, the screw section of the locking handle 29 is continuously screwed into the nut seat 28 until the screw section of the locking handle 29 presses the supporting sleeve 2, so that the rotation between the supporting sleeve 2 and the fine adjustment sleeve 5 is limited.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (3)
1. A high-stability single-support device comprises a base (1), a support sleeve (2) and a support rod (3), wherein the support sleeve (2) is vertically fixed on the base (1), the support rod (3) and the support sleeve (2) are coaxially arranged, and the lower end of the support rod is positioned in the support sleeve (2), and the high-stability single-support device is characterized in that a guide sliding block (4) is fixed at the lower end of the support rod (3), the guide sliding block (4) is in sliding connection with the support sleeve (2), and a fine-adjustment locking mechanism is arranged at the upper end of the support sleeve (2);
the fine adjustment locking mechanism comprises a fine adjustment sleeve (5), a first rotating sleeve (6), a second rotating sleeve (7), an adjusting ring disc (8), a first limiting ring (9) and a second limiting ring (10), a first external thread section (11) is arranged at the upper end of a supporting sleeve (2), the fine adjustment sleeve (5) is in threaded connection with the first external thread section (11), the first rotating sleeve (6), the second rotating sleeve (7) and the adjusting ring disc (8) are sleeved on the fine adjustment sleeve (5) in a sliding mode, the adjusting ring disc (8) is fixed at the upper end of the first rotating sleeve (6), the first limiting ring (9) is fixed on the fine adjustment sleeve (5) and located at the lower end of the first rotating sleeve (6), a guide groove (12) with an oval track is arranged on the upper end face of the adjusting ring disc (8), two L-shaped connecting pieces (13) symmetrically arranged along the axis of the guide groove (12) are installed in the guide groove (12) in a sliding mode, two half nut pieces (14) corresponding to the L-shaped connecting piece (13) are arranged on the inner side of the fine adjustment sleeve (5), hinged joints are arranged on the upper portion and the lower portion of each half nut piece (14), one end of each L-shaped connecting piece (13) penetrates through the fine adjustment sleeve (5) and is hinged with the hinged joint on the lower portion of the corresponding half nut piece (14), and a locking thread section (15) matched with the half nut piece (14) is arranged on the support rod (3); a sealing plate (16) is fixed at the top end of the fine adjustment sleeve (5), connecting plates (17) are fixed on two sides of the lower end of the sealing plate (16), positioning rods (18) horizontally arranged are slidably inserted into the connecting plates (17), first limiting blocks (19) are fixed on the positioning rods (18), first pressure springs (20) are sleeved on the positioning rods (18) and located between the first limiting blocks (19) and the connecting plates (17), the positioning rods (18) penetrate through the fine adjustment sleeve (5) and are provided with waist-shaped holes (21), pin shafts penetrating through the waist-shaped holes (21) are installed on hinge joints at the upper portions of the half nut pieces (14), and the first pressure springs (20) provide thrust for abutting connection of the upper portions of the half nut pieces (14) and the locking thread sections (15); two locking holes (22) are radially formed in the fine adjustment sleeve (5) and located on the inner side of the first rotating sleeve (6), the two locking holes (22) are arranged on the same horizontal plane at intervals of 90 degrees, a first fixing plate (23) is fixed at the edge of the lower end of the adjusting ring disc (8), a first pull ring pin (24) is slidably inserted into the first fixing plate (23), a second limiting block (25) is fixed on the first pull ring pin (24), a second pressure spring (26) is sleeved between the second limiting block (25) and the first fixing plate (23) on the first pull ring pin (24), a jack (27) corresponding to the locking hole (22) is arranged on the first rotating sleeve (6), the first pull ring pin (24) can sequentially penetrate through the jack (27) and the locking hole (22) to limit the first rotating sleeve (6) to rotate relative to the fine adjustment sleeve (5), two second limiting rings (10) are fixedly sleeved on the lower portion of the fine adjustment sleeve (5), a second rotating sleeve (7) is sleeved on the fine adjustment sleeve (5) in a sliding mode and located between the two second limiting rings (10), a nut seat (28) is fixed on the second rotating sleeve (7), a locking handle (29) is connected to the nut seat (28) in a threaded mode, the locking handle (29) can penetrate through the second rotating sleeve (7) and tightly press the fine adjustment sleeve (5), a second fixing plate (30) is fixed at the lower end of the nut seat (28), a second pull ring pin (31) is movably inserted into the second fixing plate (30), and a narrow opening (32) for the second pull ring pin (31) to insert and move up and down is formed in the upper portion of the supporting sleeve (2);
the lower part of the supporting sleeve (2) is provided with an auxiliary supporting mechanism, the auxiliary supporting mechanism comprises an adjusting sleeve (33), an ear plate (34), a third limiting ring (35), an annular seat (36) and a fourth limiting ring (37) which are sequentially arranged on the supporting sleeve (2) from top to bottom, a second external thread section (38) is arranged on the supporting sleeve (2), the adjusting sleeve (33) is in threaded connection with the second external thread section (38), the ear plate (34), the third limiting ring (35) and the fourth limiting ring (37) are fixedly arranged on the supporting sleeve (2), the annular seat (36) is slidably sleeved on the supporting sleeve (2), an adjusting handle (39) is fixed on the upper part of the adjusting sleeve (33), an annular groove (40) is fixed on the lower part of the adjusting sleeve (33), a sliding ring (41) is slidably clamped in the annular groove (40), a limiting disc (42) which is coaxially arranged with the supporting sleeve (2) is fixed on the outer side of the sliding, the limiting disc (42) is at least provided with three bayonets (43), the bayonets (43) are circumferentially distributed along the axis of the limiting disc (42), the number of the lug plates (34) is the same as that of the bayonets (43), a first support arm (44) is hinged on each lug plate (34), a second support arm (45) is hinged at the other end of each first support arm (44), a third support arm (46) is hinged at the middle part of each second support arm (45), the other end of each third support arm (46) is hinged with the annular seat (36), and a positioning block (47) matched with the third limiting ring (35) is fixed on each first support arm (44); the auxiliary supporting mechanism has a folding and accommodating state and an unfolding and supporting state, when in the unfolding and supporting state, the positioning block (47) is abutted against the third limiting ring (35), the annular seat (36) is abutted against the fourth limiting ring (37), the first support arm (44) is vertical to the supporting sleeve (2), and the bottom of the second support arm (45) is flush with the bottom of the base (1); when the foldable storage state is realized, the connecting ends of the first support arm (44) and the second support arm (45) are clamped in the bayonet (43).
2. The high-stability single support device according to claim 1, wherein when the L-shaped connecting piece (13) is at the top of the long axis of the guide groove (12), the lower part of the half nut piece (14) is separated from the support rod (3); when the L-shaped connecting piece (13) is arranged at the vertex of the short axis of the guide groove (12), the lower part of the half nut piece (14) is connected with the support rod (3).
3. The high-stability single-support device according to claim 1, wherein the fine-adjustment locking mechanism further comprises a manual adjusting mechanism, the manual adjusting mechanism comprises two mounting seats (48) fixed on the fine-adjustment sleeve (5), each mounting seat (48) is hinged with an adjusting piece (49) through a hinge shaft, one end of each adjusting piece (49) is a holding end (50), the other end of each adjusting piece is an adjusting end (51) extending between the first limiting block (19) and the fine-adjustment sleeve (5), the adjusting piece (49) is provided with a movable opening (52) for the positioning rod (18) to pass through, and the adjusting piece (49) passes through the movable opening (52) and moves in the movable opening (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110123497.6A CN112681805B (en) | 2021-01-29 | 2021-01-29 | High stability singly props device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113173381A (en) * | 2021-06-05 | 2021-07-27 | 徐州科能达机电科技有限公司 | Self-adaptive supporting device of high-efficiency energy-saving material conveyer |
| CN113250317A (en) * | 2021-06-21 | 2021-08-13 | 重庆电子工程职业学院 | Double-concrete-beam and concrete frame column connecting structure for building design |
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| CN112681805B (en) | 2022-03-18 |
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